Seed Exchange - (Helianthus annuus) Collected by Melvin Gilmore from the Arikara tribe at the Fort Berthold Reservation. First offered by Oscar H. Will in 1930. Sturdy plants grow up to 12' tall, flowers are single to multi-headed. Some single heads grow 12-16" across. Traditionally grown for its masses of edible seeds. Annual, 70 days.
Annual flowers with edible seeds
Plants grow to 12 feet tall
Flower heads grow to 12-16 inches across
Instructions - Sow seeds outdoors after last frost. Sunflowers prefer full sun to light shade and well-drained rich soil. Provide support for tall plants.
Sow 1/2" Deep
Plant 6" Apart
Germination 10-14 days
Plant 24-36" apart
Firefly Farm & Mercantile may substitute seed vendors from time to time because of availability